From fc9199f14eb9444453fe7f8f0bb2362687c3fee2 Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Tue, 8 Jan 2013 17:03:12 +0000
Subject: Update framebuffer front end to implement new clipboard API.

---
 framebuffer/clipboard.c | 123 +++++++++++++-----------------------------------
 1 file changed, 34 insertions(+), 89 deletions(-)

(limited to 'framebuffer')

diff --git a/framebuffer/clipboard.c b/framebuffer/clipboard.c
index 241e43415..bd9c89dca 100644
--- a/framebuffer/clipboard.c
+++ b/framebuffer/clipboard.c
@@ -37,117 +37,62 @@ static struct gui_clipboard {
 } gui_clipboard;
 
 
+
+
 /**
- * Empty the clipboard, called prior to gui_add_to_clipboard and
- * gui_commit_clipboard
+ * Core asks front end for clipboard contents.
  *
- * \return true iff successful
+ * \param  buffer  UTF-8 text, allocated by front end, ownership yeilded to core
+ * \param  length  Byte length of UTF-8 text in buffer
  */
-
-bool gui_empty_clipboard(void)
+void gui_get_clipboard(char **buffer, size_t *length)
 {
-	const size_t init_size = 1024;
+	*buffer = NULL;
+	*length = 0;
 
-	if (gui_clipboard.buffer_len == 0) {
-		gui_clipboard.buffer = malloc(init_size);
-		if (gui_clipboard.buffer == NULL)
-			return false;
-
-		gui_clipboard.buffer_len = init_size;
-	}
+	if (gui_clipboard.length > 0) {
+		assert(gui_clipboard.buffer != NULL);
+		LOG(("Pasting %i bytes: \"%s\"\n", gui_clipboard.length,
+				gui_clipboard.buffer));
 
-	gui_clipboard.length = 0;
+		*buffer = malloc(gui_clipboard.length);
 
-	return true;
+		if (*buffer != NULL) {
+			memcpy(*buffer, gui_clipboard.buffer,
+					gui_clipboard.length);
+			*length = gui_clipboard.length;
+		}
+	}
 }
 
 
 /**
- * Add some text to the clipboard, optionally appending a trailing space.
+ * Core tells front end to put given text in clipboard
  *
- * \param text text to be added
- * \param length length of text in bytes
- * \param space indicates whether a trailing space should be appended
- * \param fstyle The font style
- * \return true if successful
+ * \param  buffer    UTF-8 text, owned by core
+ * \param  length    Byte length of UTF-8 text in buffer
+ * \param  styles    Array of styles given to text runs, owned by core, or NULL
+ * \param  n_styles  Number of text run styles in array
  */
-
-bool gui_add_to_clipboard(const char *text, size_t length, bool space,
-		const plot_font_style_t *fstyle)
+void gui_set_clipboard(const char *buffer, size_t length,
+		nsclipboard_styles styles[], int n_styles)
 {
-	size_t new_length = gui_clipboard.length + length + (space ? 1 : 0) + 1;
-
-	if (new_length > gui_clipboard.buffer_len) {
-		size_t new_alloc = new_length + (new_length / 4);
+	if (gui_clipboard.buffer_len < length + 1) {
+		/* Make buffer big enough */
 		char *new_buff;
 
-		new_buff = realloc(gui_clipboard.buffer, new_alloc);
+		new_buff = realloc(gui_clipboard.buffer, length + 1);
 		if (new_buff == NULL)
-			return false;
+			return;
 
 		gui_clipboard.buffer = new_buff;
-		gui_clipboard.buffer_len = new_alloc;
+		gui_clipboard.buffer_len = length + 1;
 	}
 
-	memcpy(gui_clipboard.buffer + gui_clipboard.length, text, length);
-	gui_clipboard.length += length;
-
-	if (space)
-		gui_clipboard.buffer[gui_clipboard.length++] = ' ';
+	gui_clipboard.length = 0;
 
+	memcpy(gui_clipboard.buffer, buffer, length);
+	gui_clipboard.length = length;
 	gui_clipboard.buffer[gui_clipboard.length] = '\0';
-
-	return true;
-}
-
-
-/**
- * Commit the changes made by gui_empty_clipboard and gui_add_to_clipboard.
- *
- * \return true iff successful
- */
-
-bool gui_commit_clipboard(void)
-{
-	/* TODO: Stick the clipboard in some fbtk buffer? */
-	return true;
-}
-
-
-/**
- * Copy the selected contents to the clipboard
- *
- * \param s  selection
- * \return true iff successful, ie. cut operation can proceed without losing data
- */
-
-bool gui_copy_to_clipboard(struct selection *s)
-{
-	if (!gui_empty_clipboard())
-		return false;
-
-	selection_copy_to_clipboard(s);
-
-	return gui_commit_clipboard();
-}
-
-
-/**
- * Request to paste the clipboard contents into a textarea/input field
- * at a given position.
- *
- * \param  g  gui window
- * \param  x  x ordinate at which to paste text
- * \param  y  y ordinate at which to paste text
- */
-
-void gui_paste_from_clipboard(struct gui_window *g, int x, int y)
-{
-	if (gui_clipboard.length > 0) {
-		LOG(("Pasting %i chars: \"%s\"\n", gui_clipboard.length,
-				gui_clipboard.buffer));
-		browser_window_paste_text(g->bw, gui_clipboard.buffer,
-				gui_clipboard.length, true);
-	}
 }
 
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